School-desk.



No. 827,930. PATENTBD AUG. 7, 1906. W. o. ToLEs. SCHOOL DESK.

APPLIOATION FILED APEJO. 1905.

2 SHEETS-SHEET 1.

THE NcRRIs Eriks co WASHINGTON! D. c.

- PATENTED AUG. 7, 1906.

W. c. TOLES. sGHooL DESK.

.APPLICATION FILED APB..10.1906.

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wILFoRD C. TOLES, oF IRVING PARK, ILLINOIS.`

` SCHOOL-DESK. l

Speccaton of Letters Patent.

Patented Aug. *7, 1906.

Application led April l0, 1905. Serial No. 254,641.

' To all whom. t mag/ concern- Be it known that I, WILFORD C. ToLEs, 'a citizen of the United States, residing in Irving Park, in the county of'Cook and State of Illinois, have invented a new and useful Imrovement in School-Desks, of which the folowing is a specification. l

My invention relates to improvements in school-desks.

The object of my invention is to provide a school-desk of a strong, rable, and neat construction in which the desk may b`e vertically adjusted, the seat and back horizontally and vertically adjusted, and the back vertically and pivotally adjusted independently of the seat and in which all these adjustments may be readily and conveniently eected without interfering with the strength and rigidity of the desk as a whole, and in which the desk will not interfere with the proper sweeping, washing, or cleaning of the school-room ioor.

. My invention consists in the means I employ to practically accomplish this object or result, as herein shown and described.

In the accompanying drawings, forming a part of this specification, Figure 1 is a side elevation of a school-desk embodying my invention. Fig. 2 is a central vertical sectional view. Fig. 3 is a rear elevation. Fig. 4 is a plan view, partly in horizontal section, on line 4 4 of Fi 2. Figr is a vertical section on line 5 5 of Fig. 1, and Fig. 6 is an enlarged detail section on line 6 6 of Fig. 2. i

In the drawings, A represents the column or standard, preferably of cast-iron and furnished with a flat integral base A, having holes a to receive screws a', by which the standard is screwed to the floor. The column A, which is preferablyhollow, is fur nished with an upright longitudinal groove or channel a2 and rack a3. i

B is lthe desk supporting and adjusting sleeve, which telescopes or reciprocates upon the column A. The reciprocating desk-support B is furnished with an integral hollow housing-b to receive the adjusting-gear b and its shaft b2, upon the squared ortion b3 of which the ear b/ iits. The shaft 2 has a collar b4, washer .5, a clamp-nut b", and a attened or non-circular end t7 to receive a wrench C, by which the shaft and its gear may be turned to adjust the height of the desk D on the standard A. To effect this adjustment the clamp)- nut be isurstloosened, and then thevshaft simple, efficient, du-

5 long hinge-strap d2,

may be turned, and thus cause its gear t to rotate and by its engagement with the rack a3 to raise or lower the desk D and sleeve or ysupport B. The desk support or sleeve B is furnished at its upper end with anges bs to receive the desk D and to which the desk is firmly secured by screws b9. i

The desk D, which is preferably of wood, has a chamber or receptacle D and a hinged top d, secured to the top piece d of the desk y a long `continuous hinge, comprising a secured to the rigid top piece d ofthe desk, a long hin e-strap d3, secured to the horizontal to tgl, and a long hinge-rod d5, the same exten 'ng substantially the full length of the desk, and thus very iirmly securing the hinged topv in place and at the same time reventing. any crevicev between the hinge top'and the rigid piece d of the desk. Stop-chains d6 limit the opening movement of the hinged top. The inclined front piece Z7 of the desk is provided with a right-anglerib d8 toform a holder for pens, pencils, or other like articles inside the desk.

F is a vertically-adjustable seat and back carrier adapted to reciprocate or be adjusted up and down on the main standard AL l' The seat and back carrier,` F has a housing Yor chamber f to receive its adjusting-geai'f and the shaftf2 thereof. This adjusting-gear'f meshes with the rack a3, and its shaft is adapted toreceive the same wrench C as the shaft b2 of the adjusting-gear t. The shaft f2 has a clamp-nut f3, which when loosened permits the shaft f2 to be turned to effect any necessary vertical adjustment of the seat and back. The carrier F is provided'on its under side with a groove or channel f 4 and a rack f i5, with which meshes the adjusting-gear g of the horizontally-adjustable seat and back carrier G. The horizontally-adjustable seat and back carrier G has housing gears or lugs g to receive the adjusting-gear g and its shaft g2, which is provided with a clamp-nut g3 and a flattened or non-circular end to receive the wrench C, and thus enable the necessary horizontal adjustment of the seat and back to be conveniently effected. The horizontally-movable seat and back carrier G has flanges g4 at its ends, to which the seat and back carrying arms I-I H are rigidly secured by screws or bolts g5.

The seat Kis provided with seat-brackets Kf, having circular vsockets K2 to receive'the I circular heads or bosses honthe outer IOC IIO

h of the seat-arms H, to which the seatbrackets are hinged by clamp nuts or bolts h2, having nuts h3. The hinged s ets K have sockets 7c to receive the squared or circular heads h4 of the stop-arms h5, through which the bolts h2 extend and which have squared or non-circular sockets h to receive the nuts h3 of the bolts h2, and the seat-arms H are furnished with' stops or recesses k7 to receive the stop-arms h5. By this means the seat K may be readily folded up against the back lwithout danger of loosening the clamp-bolts h2. The back M is'secured to its brackets M', brackets l are furnished with an upper lug or ear m, having a hole m', through which a connecting-bolt m2 extends. Each of these back; brackets is likewise provided with a central standard rack in the same, a desk having a sleeve telel'ower lug or ear m3, having a horizontallyextending curved slot 'm4, through which the connecting bolt or shaft m5 extends. The upright limbs hs of the seat and back carryin'g arms H is furnished with vertical slots hf 7Lv to receive the connecting-bolts m2 and shaft m5, and also' with a rack h, that engages with an adjusting-gear m6 on the shaft 'm5, which has a clamp-nut m7 and fiattened or non-circular end m8V to receive the 4wrench C. The back M may thus be adjusted vertically not only with he seat K, but also in# dependently of the seat. By reason of the horizontally-'extending slot m4 in the seat; bracket M the seat may also be pivotally adjusted about the connecting-bolts m2 as a center.

ln my improved desk it will thus be understood that the desk D may be vertically adjusted independent of` the seat or back, that the seat and back may also be independently adjusted vertically and also horizontally, and the back may also be adjusted vertically as well as pivotally independently of the seat or desk, and in my invention all these adjustments may be readily and independently effected, while at the same time the construction is very simple and strong".

The clamp-nuts on thev shafts of the adjusting-gears b for the desk (f for thel ver'-l ticallyem'ovable seat and back carrier F, q for the horizontally-movable seat and back car-y rier G, and mi for the back and end) serve to rigidly and firmly lock and hold the several parts, respectively, in their adjusted posi'- tions and to cause the desk as awhole,while composed of a number of independently-adjustable devices, to nevertheless constitute an absolutely firm and rigid structure as a whole, Vmuch the same as though the several parts were cast in one piece orrigidly and immovably connected together instead of adjustably connected. This prevents all danger of my improved school-desk 'being racked or loosened when subjected tothe rough and "severe usage incident to school-desks and also insures that all the desks in the schoolf eat-brack-K j this is simply a preferred form.

room will be ab'solutelynoiselesswhen pushed or leaned upon by the scholars.

The 4standard A, as illustrated in the drawings, is circular in cross-section, although l claim- 1. In a school-desk the combination of a l central standard having a rack, a desk having a sleeve telescoping on said standard, a

toothed wheel mounted on the sleeve and engaging said rack, a f vertically movable on the standard, a toothed wheelmounted on and these backi said rack, and a seat and back supported onseat and back carrier the carri-er in line bel-ovv the former toothed wheel and engagingthe a forward extension of the carrier in front of the standard, substantially as set forth.y

2. ln a school-desk thecombinati-on of a having a channel a2 anda scoping on said standard, a tooth-edwheel mounted on the sleeve and engaging said channel and rack, a seat and back carrier vertically movable' on the standard, a toothed wheel mounted on the carrier linev below the former toothed wheel and engaging the said channel and rack,- and a seat and back supported on the carrier infront of th'estand-V ard, substantially as set forth. j

3. ln a school-desk the combination of the central standard and desk, a vertically#ad` justable carrier on the standard and having' a forward extension, a horizontally-adjustable car'rier on said extension, seat-support; ing arms attached tov thehoriZontally-adjust; able carrier, a seat connected with said arms by horizontal transverse pivots, stop-arms through which the pivots extend, nuts on the pivots bearing on the stop-arms, means on the said limbs for engaging and holding the stop-arms, and a suitablel seateba'ck, sub stantially as set forth. r

4. In a school-desk the combination of a central standard, a desk vertically adjustable thereon, a carrier F vertically adjustable on the standard and extending forwardly there= from, a horizontally #adju-stable carrier G mounted on the carrier F andhaving laterally-extending portions, arms H secured to said laterallyeextendi-n portions and having upwardly-extending orward ends, a seat pivotally mounted on the latter, the upright limbs hs of the said arms H, and a back adjustably mounted on said limbs, substantially as set forth.

5. In a school-'desk the coinbirratien of a central standard, a desk vertically adjustable thereon, a vertically-adjustable carrier mounted on the standard and having a for'- ward extension, a h'orizontally-v adjustable carrier having a sleeve mounted on such extension of the vertically-adjustable carrier', and having'later'al extensions, seat and back supporting arms attached to such lateral extensions and having front and rear upwardlyroo extending limbs, and a seat and back mounted on said limbs respectively, substantially as set forth.

6. In a school-desk the combination of a central standard, a desk vertically adjustable-thereon, a vertically-adjustable carrier mounted in the standard, a horizontally-adjustable carrier mounted kon the verticallyadjustable carrier, upright limbs on the horizontally-adjustable carrier and having vertical slots, a back having lugs, and bolts connecting the lugs with said slots, certain of said lugs having horizontal slots, and a seat on the horizontally-adjustable carrier, substantially as set forth.

7. In a school-desk the combination of a central standard and desk, a vertically-adjustable carrier on the standard and having a forward extension, a horizontally-adjustable carrier on the said extension, upwardlyextending arms on the horizontally-adjustable carrier and provided with slots and racks, a transverse shaft in said slots having toothed wheels engaging the racks, a back pivotally andvertically adjustably connected with the upper part of said arms, lugs on the back .having slots embracing the said shaft, and

a suitable seat, substantially as set forth.

8. A school-desk comprising an upright central standard,- ,a desk-support independently adjustable on the standard, a desk secured to said support, a seat and back carrier independently adjustable vertically on the standard and having a forward eXtension, seat and back arms independently adjustable horizontally on said forward'extension, a seat pivotally connected'to said arms, and a back independently adjustable vertically on said arms, substantially as specified.

9. A school-desk comprising kan upright central standard, a desk-support independently adjustable on the standard, a desk secured to said support, a seat and back carrier independently adjustable vertically on the standardv and having a forward eXtension, seat and back arms independently adjustable horizontally on said forward extension, a seat pivotally connected to said arms, and a back independentlyadjustable vertically on said arms, said back beingalso independently ivotally adjustable on said arms,

substantia ly as specified.

, j WILFORD C. TOLES.

Witnesses:

H. M. MUrDAY, WILLIAM A. GuaranaA 

